Repair knowledge base

Understand the problem before choosing the repair.

Consumer-friendly technical guides based on the symptoms Mashfix technicians diagnose every day.

Laptop

Laptop Turns On but Has No Display

A practical guide to separating screen, memory, firmware and motherboard causes.

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Mac

MacBook Black Screen: What It Can Mean

Understand backlight, display, power and logic-board symptoms before approving a repair.

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Gaming PC

Gaming PC Overheating Under Load

Cooling, airflow, pump, fan and thermal-interface checks explained clearly.

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Storage

SSD Not Detected in BIOS or Windows

How technicians distinguish a failed SSD from slot, firmware and motherboard issues.

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Battery

What to Do With a Swollen Laptop Battery

Important safety steps and what to avoid when the battery begins lifting the case.

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Console

PS5 HDMI No Signal Diagnosis

Cable, port, encoder and board-level possibilities behind a blank television screen.

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